import QtQuick 2.15
import QtQuick.Controls 2.15

import StatusQ 0.1
import StatusQ.Core 0.1
import StatusQ.Components 0.1
import StatusQ.Controls 0.1
import StatusQ.Core.Theme 0.1
import StatusQ.Core.Utils 0.1

import SortFilterProxyModel 0.2

import utils 1.0

StatusListView {
    id: root

    required property var selectedSharedAddressesMap // Map[address, [selected, isAirdrop]]

    property var walletAssetsModel
    property bool hasPermissions

    property var uniquePermissionAssetsKeys
    property var uniquePermissionCollectiblesKeys

    property var walletCollectiblesModel
    property var communityCollectiblesModel
    property string communityId

    property var getCurrencyAmount: function (balance, symbol){}

    signal toggleAddressSelection(string keyUid, string address)
    signal airdropAddressSelected (string address)

    leftMargin: d.absLeftMargin
    topMargin: Theme.padding
    rightMargin: Theme.padding
    bottomMargin: Theme.padding


    ModelChangeTracker {
        id: communityCollectiblesModelTracker

        model: communityCollectiblesModel

        onRevisionChanged: {
            const collectibles = ModelUtils.modelToArray(
                                   communityCollectiblesModel,
                                   ["key", "name", "symbol", "icon", "communityId"])
                .filter(e => e.communityId === communityId)

            const keysToNames = {}

            for (const c of collectibles)
                keysToNames[c.key] = {
                    name: c.name,
                    symbol: c.symbol,
                    icon: c.icon
                }

            d.collectiblesMetadata
                    = uniquePermissionCollectiblesKeys.map(k => keysToNames[k])
            d.collectiblesNames = d.collectiblesMetadata.map(c => c.name)

            const namesToSymbols = {}
            d.collectiblesMetadata.forEach(c => namesToSymbols[c.name] = c.symbol)
            d.collectiblesNamesToSymbols = namesToSymbols

            const namesToImages = {}
            d.collectiblesMetadata.forEach(c => namesToImages[c.name] = c.icon)
            d.collectiblesNamesToImages = namesToImages
        }

        Component.onCompleted: revisionChanged()
    }

    ModelChangeTracker {
        id: filteredWalletCollectiblesTracker

        model: filteredWalletCollectibles
    }

    QtObject {
        id: d

        property var collectiblesMetadata: []
        property var collectiblesNames: []
        property var collectiblesNamesToSymbols: ({})
        property var collectiblesNamesToImages: ({})

        readonly property int selectedSharedAddressesCount: root.selectedSharedAddressesMap.size

        // UI
        readonly property int absLeftMargin: 12

        readonly property ButtonGroup airdropGroup: ButtonGroup {
            exclusive: true
        }

        readonly property ButtonGroup addressesGroup: ButtonGroup {
            exclusive: false
        }

        function getTotalBalance(balances, decimals) {
            let totalBalance = 0
            for(let i = 0; i < balances.count; i++) {
                let balancePerAddressPerChain = ModelUtils.get(balances, i)
                totalBalance += AmountsArithmetic.toNumber(balancePerAddressPerChain.balance, decimals)
            }
            return totalBalance
        }
    }

    SortFilterProxyModel {
        id: filteredWalletCollectibles

        sourceModel: walletCollectiblesModel

        filters: [
            ValueFilter {
                roleName: "communityId"
                value: root.communityId
            },
            FastExpressionFilter {
                expression: d.collectiblesNames.includes(model.name)
                expectedRoles: ["name"]
            }
        ]
    }

    ListModel {
        id: walletAccountCollectiblesModel

        readonly property var data: {
            filteredWalletCollectiblesTracker.revision
            const usedCollectibles = ModelUtils.modelToArray(filteredWalletCollectibles)

            const collectiblesGroupingMap = {}

            for (const c of usedCollectibles) {
                const key = `${c.name}_${c.ownership[0].accountAddress}`

                if (!collectiblesGroupingMap[key])
                    collectiblesGroupingMap[key] = []

                collectiblesGroupingMap[key].push(c)
            }

            const collectiblesGrouped = Object.values(collectiblesGroupingMap).map(e => {
                const firstEntry = e[0]

                return {
                    symbol: d.collectiblesNamesToSymbols[firstEntry.name] || "",
                    enabledNetworkBalance: e.length,
                    account: firstEntry.ownership[0].accountAddress,
                    imageUrl: d.collectiblesNamesToImages[firstEntry.name] || ""
                }
            })

            return collectiblesGrouped
        }

        onDataChanged: {
            clear()
            append(data)
        }
    }

    spacing: Theme.halfPadding
    delegate: StatusListItem {
        readonly property string address: model.address.toLowerCase()
        readonly property int tokenCount: tagsCount

        id: listItem
        width: ListView.view.width - ListView.view.leftMargin - ListView.view.rightMargin
        statusListItemTitle.font.weight: Font.Medium
        title: model.name
        tertiaryTitle: root.hasPermissions && !tagsCount ? qsTr("No relevant tokens") : ""

        ObjectProxyModel {
            id: filteredBalances

            sourceModel: root.walletAssetsModel

            delegate: SortFilterProxyModel {
                readonly property SortFilterProxyModel balances: this

                sourceModel: model.balances
                filters: RegExpFilter {
                    roleName: "account"
                    pattern: listItem.address
                    syntax: RegExpFilter.FixedString
                    caseSensitivity: Qt.CaseInsensitive
                }
            }

            expectedRoles: "balances"
            exposedRoles: "balances"
        }

        SortFilterProxyModel {
            id: accountCollectiblesModel

            sourceModel: walletAccountCollectiblesModel

            filters: RegExpFilter {
                roleName: "account"
                pattern: listItem.address
                syntax: RegExpFilter.FixedString
                caseSensitivity: Qt.CaseInsensitive
            }
        }

        ConcatModel {
            id: concatModel

            markerRoleName: "type"

            sources: [
                SourceModel {
                    model: walletAccountAssetsModel
                    markerRoleValue: Constants.TokenType.ERC20
                },
                SourceModel {
                    model: accountCollectiblesModel
                    markerRoleValue: Constants.TokenType.ERC721
                }
            ]
        }

        tagsModel: SortFilterProxyModel {
            sourceModel: concatModel

            filters: ValueFilter {
                roleName: "enabledNetworkBalance"
                value: 0
                inverted: true
            }

            sorters: [
                RoleSorter {
                    roleName: "symbol"
                }
            ]
        }

        SortFilterProxyModel {
            id: walletAccountAssetsModel

            sourceModel: filteredBalances

            function filterPredicate(symbol) {
                return root.uniquePermissionAssetsKeys.includes(symbol.toUpperCase())
            }

            proxyRoles: [
                FastExpressionRole {
                    name: "enabledNetworkBalance"
                    expression: d.getTotalBalance(model.balances, model.decimals)
                    expectedRoles: ["balances", "decimals"]
                },
                FastExpressionRole {
                    name: "imageUrl"

                    function getIcon(symbol) {
                        return Constants.tokenIcon(symbol.toUpperCase())
                    }

                    // Singletons cannot be used directly in sfpm's expressions
                    expression: getIcon(model.symbol)
                    expectedRoles: ["symbol"]
                }
            ]

            filters: FastExpressionFilter {
                expression: walletAccountAssetsModel.filterPredicate(model.symbol)
                expectedRoles: ["symbol"]
            }
        }

        statusListItemInlineTagsSlot.spacing: Theme.padding

        tagsDelegate: Row {
            spacing: 4
            StatusRoundedImage {
                anchors.verticalCenter: parent.verticalCenter
                width: 16
                height: 16
                image.source: model.imageUrl
            }
            StatusBaseText {
                anchors.verticalCenter: parent.verticalCenter
                font.pixelSize: Theme.tertiaryTextFontSize

                readonly property int type: model.type

                text: {
                    if (type === Constants.TokenType.ERC20)
                        return LocaleUtils.currencyAmountToLocaleString(
                                    root.getCurrencyAmount(model.enabledNetworkBalance,
                                                           model.symbol))

                    return LocaleUtils.numberToLocaleString(model.enabledNetworkBalance)
                            + " " + model.symbol
                }
            }
        }

        asset.color: !!model.color ? model.color : ""
        asset.emoji: model.emoji
        asset.name: !model.emoji ? "filled-account": ""
        asset.letterSize: 14
        asset.isLetterIdenticon: !!model.emoji
        asset.isImage: asset.isLetterIdenticon

        components: [
            StatusFlatButton {
                ButtonGroup.group: d.airdropGroup
                anchors.verticalCenter: parent.verticalCenter
                icon.name: "airdrop"
                icon.color: checked ? Theme.palette.primaryColor1 : disabledTextColor
                checkable: true
                checked: {
                    const obj = root.selectedSharedAddressesMap.get(listItem.address)
                    if (!!obj) {
                        return obj.isAirdrop
                    }
                    return false
                }
                enabled: shareAddressCheckbox.checked && d.selectedSharedAddressesCount > 1 // last cannot be unchecked
                visible: shareAddressCheckbox.checked
                opacity: enabled ? 1.0 : 0.3

                onToggled: root.airdropAddressSelected(listItem.address)

                StatusToolTip {
                    text: qsTr("Use this address for any Community airdrops")
                    visible: parent.hovered
                    delay: 500
                }
            },
            StatusCheckBox {
                id: shareAddressCheckbox

                ButtonGroup.group: d.addressesGroup
                anchors.verticalCenter: parent.verticalCenter
                checkable: true
                checked: root.selectedSharedAddressesMap.has(listItem.address)
                enabled: !(d.selectedSharedAddressesCount === 1 && checked) // last cannot be unchecked

                onToggled: root.toggleAddressSelection(model.keyUid, listItem.address)
            }
        ]
    }
}